An electronic device which receives, converts and transmits ringing and/or supervisory or other messages over a communication circuit in the form of audio frequency tones. May include integral interrupters, oscillators and hybrid and filter networks. Excludes generator, ringing, static and generator, ringing, machine.
Classification: Articles designed for connection to telegraphic or telephonic apparatus or instruments or to telegraphic or telephonic networks
NSN 6240-01-539-9866
NSN 6320-01-456-6300
NSN 5965-00-275-0491
NSN 5910-01-332-2175
NSN 6150-01-188-0106
NSN 6220-01-341-5322
NSN 5999-01-211-9411
NSN 5855-01-425-1330
NSN 5925-01-568-3553
NSN 6110-01-025-9773
NSN 5935-01-328-7528
NSN 6105-00-021-3666